$OpenBSD: patch-src_gui_docks_dockable_cpp,v 1.1 2015/09/24 10:40:16 ajacoutot Exp $

Fix build with libsigc++ >= 2.6.0.

--- src/gui/docks/dockable.cpp.orig	Thu Jul  9 09:33:04 2015
+++ src/gui/docks/dockable.cpp	Thu Sep 24 11:08:06 2015
@@ -30,7 +30,6 @@
 #endif
 
 #include "app.h"
-#include <sigc++/hide.h>
 
 #include "docks/dockable.h"
 #include "docks/dockmanager.h"
